海量图书期刊资源，随时随地畅享阅读乐趣
Do gender and age influence the frequency of Helicobacter pylori infection?Marušić, Marinko; Majstorović Barać, Karolina; Bilić, Ante; Jurčić, Dragan; Gulić, Saša; Grubić Rotkvić, Petra; Bago, Josip · Wiener klinische Wochenschrift · 2013